Tobacco smoke exposure and allergic sensitization in children: A propensity score analysis
Respirology, 05/24/2012
Havstad SL et al. – Using propensity score methods to rigorously control for confounding factors the authors found that early life environmental tobacco smoke (ETS) exposure reduces the risk of allergic sensitization in children aged 2–3 years, but only in children with a positive maternal history. There is a strong association between early life ETS and the development of allergic sensitization for children without maternal history.



